Exalite aluminum our shake and bake blend of 8 special herbs and spices silicon iron copper manganese magnesium chromium zinc and aluminum it comes in three different performance blends exar exa and basic exa lex lightweight extrusion our new lex and lexe processes yield rims that are strong enough to be used as daily riders cross the any terrain you can throw at it our lg1 rims incorporate the lexe process which involves brazing in eyelets to keep material only where you need